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一、三极管
1、结构与图示

2、输入特性

电路分析中，VBEV_{BE}VBE​ 的电压不会大于VONV_{ON}VON​ 0.7v。
小于VONV_{ON}VON​，三极管处于截止状态。此时，C、E端断路。
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一、三极管
1、结构与图示

2、输入特性

电路分析中，VBEV_{BE}VBE​ 的电压不会大于VONV_{ON}VON​ 0.7v。
小于VONV_{ON}VON​，三极管处于截止状态。此时，C、E端断路。
3、输出特性...">
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一、三极管
1、结构与图示

2、输入特性

电路分析中，VBEV_{BE}VBE​ 的电压不会大于VONV_{ON}VON​ 0.7v。
小于VONV_{ON}VON​，三极管处于截止状态。此时，C、E端断路。
3、输出特性...">
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                                <h2>
                                    2.3 TTL门电路
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                                    2023-10-03, 939 words, 4 min read
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                                        <h1 id="ttl门电路">TTL门电路</h1>
<h2 id="一-三极管">一、三极管</h2>
<h4 id="1-结构与图示">1、结构与图示</h4>
<img src="http://cos.pansis.site/202309281633149.png/abc123" alt="image-20230928163347938" style="zoom:33%;" />
<h4 id="2-输入特性">2、输入特性</h4>
<img src="http://cos.pansis.site/202309291422046.png/abc123" alt="image-20230929142210905" style="zoom:33%;" />
<p>电路分析中，<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>B</mi><mi>E</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{BE}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.05017em;">B</span><span class="mord mathdefault mtight" style="margin-right:0.05764em;">E</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 的电压不会大于<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>O</mi><mi>N</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{ON}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.02778em;">O</span><span class="mord mathdefault mtight" style="margin-right:0.10903em;">N</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 0.7v。</p>
<p>小于<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>O</mi><mi>N</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{ON}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.02778em;">O</span><span class="mord mathdefault mtight" style="margin-right:0.10903em;">N</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>，三极管处于截止状态。此时，C、E端断路。</p>
<h4 id="3-输出特性">3、输出特性</h4>
<img src="http://cos.pansis.site/202309291424924.png/abc123" alt="image-20230929142451771" style="zoom:33%;" />
<p>1、导通条件：当<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>B</mi><mi>E</mi></mrow></msub><mo>=</mo><mn>0.7</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_{BE}=0.7V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.05017em;">B</span><span class="mord mathdefault mtight" style="margin-right:0.05764em;">E</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">7</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span>时，三极管导通。</p>
<p>2、导通状态分为放大区、饱和区。</p>
<p>3、放大区：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mi>c</mi></msub><mo>&gt;</mo><msub><mi>V</mi><mi>b</mi></msub><mo>&gt;</mo><msub><mi>V</mi><mi>e</mi></msub></mrow><annotation encoding="application/x-tex">V_c&gt;V_b&gt;V_e</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.151392em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">&gt;</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.33610799999999996em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">b</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">&gt;</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.151392em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">e</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 时，三极管处在放大区。此时<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>i</mi><mi>c</mi></msub></mrow><annotation encoding="application/x-tex">i_c</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.80952em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault">i</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.151392em;"><span style="top:-2.5500000000000003em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">c</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 电流受 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>i</mi><mi>b</mi></msub></mrow><annotation encoding="application/x-tex">i_b</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.80952em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault">i</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.33610799999999996em;"><span style="top:-2.5500000000000003em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">b</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 控制。</p>
<p>4、饱和区：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>C</mi><mi>E</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{CE}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.07153em;">C</span><span class="mord mathdefault mtight" style="margin-right:0.05764em;">E</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>很小时，进入饱和区。定性分析时可视为 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi>C</mi><mi>E</mi></mrow><annotation encoding="application/x-tex">CE</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord mathdefault" style="margin-right:0.07153em;">C</span><span class="mord mathdefault" style="margin-right:0.05764em;">E</span></span></span></span> 短路。</p>
<p>​                刚刚进入饱和区时<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>C</mi><mi>E</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{CE}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.07153em;">C</span><span class="mord mathdefault mtight" style="margin-right:0.05764em;">E</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>约为 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>0.6</mn><mo>−</mo><mn>0.7</mn><mi>v</mi></mrow><annotation encoding="application/x-tex">0.6-0.7v</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.72777em;vertical-align:-0.08333em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">6</span><span class="mspace" style="margin-right:0.2222222222222222em;"></span><span class="mbin">−</span><span class="mspace" style="margin-right:0.2222222222222222em;"></span></span><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">7</span><span class="mord mathdefault" style="margin-right:0.03588em;">v</span></span></span></span> 。</p>
<p>​               深度饱和区中<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>C</mi><mi>E</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{CE}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.07153em;">C</span><span class="mord mathdefault mtight" style="margin-right:0.05764em;">E</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>为<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>0.2</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">0.2V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">2</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span>。</p>
<p>5、三极管深度饱和所需要的基极电流：</p>
<img src="http://cos.pansis.site/202309291438382.png/abc123" alt="image-20230929143822290" style="zoom: 50%;" />
<img src="http://cos.pansis.site/202309291440763.png/abc123" alt="image-20230929144008693" style="zoom: 50%;" />
<h4 id="4-例题计算">4、例题计算</h4>
<img src="http://cos.pansis.site/202309291444062.png/abc123" alt="image-20230929144432930" style="zoom:33%;" />
<img src="http://cos.pansis.site/202309291444945.png/abc123" alt="image-20230929144440809" style="zoom:33%;" />
<h2 id="二-ttl反相器">二、TTL反相器</h2>
<h4 id="1-三极管方向器缺点">1、三极管方向器缺点</h4>
<p>（上面例题的反相器）需要两个电压源 、 输入电阻小 、输出电阻大</p>
<h4 id="2-结构和参数">2、结构和参数</h4>
<img src="http://cos.pansis.site/202309291447897.png/abc123" alt="image-20230929144730718" style="zoom:33%;" />
<h4 id="3-高电平输出状态">3、高电平输出状态</h4>
<p>输入：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mn>1</mn></msub><mo>=</mo><msub><mi>V</mi><mrow><mi>I</mi><mi>L</mi></mrow></msub><mo>=</mo><mn>0.2</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_1=V_{IL}=0.2V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.07847em;">I</span><span class="mord mathdefault mtight">L</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">2</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span></p>
<p>各三极管状态：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">T_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 饱和导通    <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>2</mn></msub><mi mathvariant="normal">、</mi><msub><mi>T</mi><mn>5</mn></msub></mrow><annotation encoding="application/x-tex">T_2、T_5</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">5</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 截止  <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>4</mn></msub><mi mathvariant="normal">、</mi><msub><mi>D</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">T_4、D_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">4</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.02778em;">D</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.02778em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>导通</p>
<p>电平状态：<img src="http://cos.pansis.site/202309291451338.png/abc123" alt="image-20230929145105261" style="zoom:33%;" /><img src="http://cos.pansis.site/202309291452930.png/abc123" alt="image-20230929145210839" style="zoom:33%;" /></p>
<h4 id="4-低电平输出状态">4、低电平输出状态</h4>
<p>输入：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mn>1</mn></msub><mo>=</mo><msub><mi>V</mi><mrow><mi>I</mi><mi>H</mi></mrow></msub><mo>=</mo><mn>3.4</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_1=V_{IH}=3.4V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.07847em;">I</span><span class="mord mathdefault mtight" style="margin-right:0.08125em;">H</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">3</span><span class="mord">.</span><span class="mord">4</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span></p>
<p>各三极管状态：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">T_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 截止    <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>2</mn></msub><mi mathvariant="normal">、</mi><msub><mi>T</mi><mn>5</mn></msub></mrow><annotation encoding="application/x-tex">T_2、T_5</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">5</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 导通  <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>4</mn></msub><mi mathvariant="normal">、</mi><msub><mi>D</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">T_4、D_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">4</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.02778em;">D</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.02778em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>截止    <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>B</mi><mn>1</mn></mrow></msub></mrow><annotation encoding="application/x-tex">V_{B1}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.05017em;">B</span><span class="mord mtight">1</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>钳位在<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>2.1</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">2.1V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">2</span><span class="mord">.</span><span class="mord">1</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span></p>
<p>电平状态：<img src="http://cos.pansis.site/202309291454911.png/abc123" alt="image-20230929145411828" style="zoom:33%;" /><img src="http://cos.pansis.site/202309291454241.png/abc123" alt="image-20230929145427149" style="zoom:33%;" /></p>
<h4 id="5-电压传输特性">5、电压传输特性</h4>
<img src="http://cos.pansis.site/202309291455500.png/abc123" alt="image-20230929145525445" style="zoom:33%;" />
<p>AB段（截止区）：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mn>1</mn></msub><mo>&lt;</mo><mn>0.6</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_1&lt;0.6V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">&lt;</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">6</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span> ,因此 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>B</mi><mn>1</mn></mrow></msub><mo>&lt;</mo><mn>1.3</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_{B1}&lt;1.3V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.05017em;">B</span><span class="mord mtight">1</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">&lt;</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">1</span><span class="mord">.</span><span class="mord">3</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span>   <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">T_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 饱和导通    <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>2</mn></msub><mi mathvariant="normal">、</mi><msub><mi>T</mi><mn>5</mn></msub></mrow><annotation encoding="application/x-tex">T_2、T_5</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">5</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 截止  <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>4</mn></msub><mi mathvariant="normal">、</mi><msub><mi>D</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">T_4、D_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">4</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.02778em;">D</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.02778em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>导通</p>
<p>BC段（线性区）：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>0.7</mn><mi>V</mi><mo>&lt;</mo><msub><mi>V</mi><mn>1</mn></msub><mo>&lt;</mo><mn>1.3</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">0.7V&lt;V_1&lt;1.3V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.72243em;vertical-align:-0.0391em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">7</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">&lt;</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">&lt;</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">1</span><span class="mord">.</span><span class="mord">3</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span> , 此时 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">T_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>开始导通且工作在放大区，<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>5</mn></msub></mrow><annotation encoding="application/x-tex">T_5</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">5</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 截止  <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>4</mn></msub><mi mathvariant="normal">、</mi><msub><mi>D</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">T_4、D_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">4</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">、</span><span class="mord"><span class="mord mathdefault" style="margin-right:0.02778em;">D</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.02778em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>导通</p>
<p>CD段（转折区）：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mn>1</mn></msub><mo>=</mo><msub><mi>V</mi><mrow><mi>T</mi><mi>H</mi></mrow></msub><mo>=</mo><mn>1.4</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_1=V_{TH}=1.4V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.13889em;">T</span><span class="mord mathdefault mtight" style="margin-right:0.08125em;">H</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">1</span><span class="mord">.</span><span class="mord">4</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span> ，此时<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>5</mn></msub></mrow><annotation encoding="application/x-tex">T_5</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">5</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>也开始导通，导致<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>O</mi><mi>L</mi></mrow></msub></mrow><annotation encoding="application/x-tex">V_{OL}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.02778em;">O</span><span class="mord mathdefault mtight">L</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>迅速下降，变成<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mn>0</mn></mrow><annotation encoding="application/x-tex">0</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.64444em;vertical-align:0em;"></span><span class="mord">0</span></span></span></span>。</p>
<p>DE段（饱和区）：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">V_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>继续增大，但<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mi>O</mi></msub></mrow><annotation encoding="application/x-tex">V_O</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight" style="margin-right:0.02778em;">O</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>不变，$ V_O =V_{OL}$</p>
<h4 id="6-各级说明">6、各级说明</h4>
<p>倒向级：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">T_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>的输出$ V_{C2} $和 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mrow><mi>E</mi><mn>2</mn></mrow></msub></mrow><annotation encoding="application/x-tex">V_{E2}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight" style="margin-right:0.05764em;">E</span><span class="mord mtight">2</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 变化方向相反</p>
<p>输出级在稳态下，$T_4 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi mathvariant="normal">和</mi></mrow><annotation encoding="application/x-tex">和</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0em;vertical-align:0em;"></span><span class="mord cjk_fallback">和</span></span></span></span>T_5$总有 一个导通、一个截止。即能降低功耗又提高了带负载能力。</p>
<p><span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>D</mi><mn>1</mn></msub></mrow><annotation encoding="application/x-tex">D_1</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.02778em;">D</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.02778em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> ：输入保护 ,抑制负向干扰</p>
<p><span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>D</mi><mn>2</mn></msub></mrow><annotation encoding="application/x-tex">D_2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.02778em;">D</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.02778em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">2</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>：保证<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>5</mn></msub></mrow><annotation encoding="application/x-tex">T_5</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">5</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>导通时<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>T</mi><mn>4</mn></msub></mrow><annotation encoding="application/x-tex">T_4</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.13889em;">T</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.30110799999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.13889em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">4</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>可靠地截止。</p>
<h4 id="7-噪音容限">7、噪音容限</h4>
<img src="http://cos.pansis.site/202309291509040.png/abc123" alt="image-20230929150911987" style="zoom:33%;" />
<h4 id="8-输入端的负载特性">8、输入端的负载特性</h4>
<p><img src="http://cos.pansis.site/202309291511105.png/abc123" alt="image-20230929151128058" style="zoom:33%;" /><img src="http://cos.pansis.site/202309291511856.png/abc123" alt="image-20230929151139782" style="zoom:33%;" /></p>
<p>①输入接小电阻(一般 <span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>R</mi><mi>P</mi></msub><mo>≤</mo><mn>0.7</mn><mi>K</mi><mi mathvariant="normal">Ω</mi></mrow><annotation encoding="application/x-tex">R_P≤0.7KΩ</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.00773em;">R</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.00773em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight" style="margin-right:0.13889em;">P</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">≤</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">0</span><span class="mord">.</span><span class="mord">7</span><span class="mord mathdefault" style="margin-right:0.07153em;">K</span><span class="mord">Ω</span></span></span></span> 时），等效低电 平输入；</p>
<p>②输入接大电阻（一 般<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>R</mi><mi>P</mi></msub><mo>≥</mo><mn>1.5</mn><mi>K</mi><mi mathvariant="normal">Ω</mi></mrow><annotation encoding="application/x-tex">R_P ≥1.5KΩ</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.00773em;">R</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.00773em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight" style="margin-right:0.13889em;">P</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.2777777777777778em;"></span><span class="mrel">≥</span><span class="mspace" style="margin-right:0.2777777777777778em;"></span></span><span class="base"><span class="strut" style="height:0.68333em;vertical-align:0em;"></span><span class="mord">1</span><span class="mord">.</span><span class="mord">5</span><span class="mord mathdefault" style="margin-right:0.07153em;">K</span><span class="mord">Ω</span></span></span></span>时）或悬空时，等效高电平输 入， 且<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>V</mi><mi>b</mi></msub><mi mathvariant="normal">＝</mi><mn>1.4</mn><mi>V</mi></mrow><annotation encoding="application/x-tex">V_b ＝1.4V</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.22222em;">V</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.33610799999999996em;"><span style="top:-2.5500000000000003em;margin-left:-0.22222em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">b</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord cjk_fallback">＝</span><span class="mord">1</span><span class="mord">.</span><span class="mord">4</span><span class="mord mathdefault" style="margin-right:0.22222em;">V</span></span></span></span> ；</p>
<img src="http://cos.pansis.site/202309291513071.png/abc123" alt="image-20230929151339982" style="zoom:33%;" />
<h4 id="9-动态特性">9、动态特性</h4>
<p>1、传输延迟时间</p>
<p>输出由低到高的切换时间：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>t</mi><mrow><mi>p</mi><mi>L</mi><mi>H</mi></mrow></msub></mrow><annotation encoding="application/x-tex">t_{pLH}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9011879999999999em;vertical-align:-0.286108em;"></span><span class="mord"><span class="mord mathdefault">t</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.328331em;"><span style="top:-2.5500000000000003em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight">p</span><span class="mord mathdefault mtight">L</span><span class="mord mathdefault mtight" style="margin-right:0.08125em;">H</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.286108em;"><span></span></span></span></span></span></span></span></span></span></p>
<p>输出由高到低的切换时间：<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>t</mi><mrow><mi>p</mi><mi>H</mi><mi>L</mi></mrow></msub></mrow><annotation encoding="application/x-tex">t_{pHL}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.9011879999999999em;vertical-align:-0.286108em;"></span><span class="mord"><span class="mord mathdefault">t</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.328331em;"><span style="top:-2.5500000000000003em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathdefault mtight">p</span><span class="mord mathdefault mtight" style="margin-right:0.08125em;">H</span><span class="mord mathdefault mtight">L</span></span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.286108em;"><span></span></span></span></span></span></span></span></span></span></p>
<p>中点---中点</p>
<img src="http://cos.pansis.site/202309291514673.png/abc123" alt="image-20230929151456602" style="zoom:33%;" />
<p>2、动态尖峰电流</p>
<img src="http://cos.pansis.site/202309291517696.png/abc123" alt="image-20230929151752634" style="zoom: 50%;" />
<p>输出由低到高时，产生尖峰脉冲</p>
<p>原因：</p>
<img src="http://cos.pansis.site/202309291519643.png/abc123" alt="image-20230929151913576" style="zoom:33%;" />
<h2 id="三-其他类型的ttl门电路">三、其他类型的TTL门电路</h2>
<h4 id="1-与非门">1、与非门</h4>
<img src="http://cos.pansis.site/202309291520568.png/abc123" alt="image-20230929152014484" style="zoom:50%;" />
<h4 id="2-或非门">2、或非门</h4>
<img src="http://cos.pansis.site/202309291520291.png/abc123" alt="image-20230929152036235" style="zoom:45%;" />
<h4 id="3-异或门">3、异或门</h4>
<img src="http://cos.pansis.site/202309291521543.png/abc123" alt="image-20230929152103449" style="zoom:45%;" />
<h2 id="四-oc门">四、OC门</h2>
<p>集电极开路与非门</p>
<h4 id="1-推拉式输出电路结构的局限性">1、推拉式输出电路结构的局限性：</h4>
<p>①不能线与； ②不能满足大电流及高电压负载要求； ③输出高电平的值固定</p>
<h4 id="2-结构">2、结构</h4>
<img src="http://cos.pansis.site/202309291522053.png/abc123" alt="image-20230929152244980" style="zoom:50%;" />
<h4 id="3-特点">3、特点</h4>
<p>1、工作时需要外接$ R_L，V_{cc2}$ ;</p>
<p>2、输出端并联可实现“线与“</p>
<img src="http://cos.pansis.site/202309291524586.png/abc123" alt="image-20230929152436501" style="zoom:45%;" />
<h4 id="4-r_l计算">4、<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>R</mi><mi>L</mi></msub></mrow><annotation encoding="application/x-tex">R_L</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.00773em;">R</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.00773em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">L</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>计算</h4>
<p>1、输入端相关电流</p>
<img src="http://cos.pansis.site/202309291526883.png/abc123" alt="image-20230929152609815" style="zoom: 50%;" />
<p>2、输出为高电平</p>
<p>需要保证<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>R</mi><mi>L</mi></msub></mrow><annotation encoding="application/x-tex">R_L</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.00773em;">R</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.00773em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">L</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span> 的分压要小。只需要保证<span class="katex"><span class="katex-mathml"><math><semantics><mrow><msub><mi>R</mi><mi>L</mi></msub></mrow><annotation encoding="application/x-tex">R_L</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.83333em;vertical-align:-0.15em;"></span><span class="mord"><span class="mord mathdefault" style="margin-right:0.00773em;">R</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.32833099999999993em;"><span style="top:-2.5500000000000003em;margin-left:-0.00773em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathdefault mtight">L</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span></span></span></span>流过最大电流时，仍满足要求即可。</p>
<img src="http://cos.pansis.site/202309291529754.png/abc123" alt="image-20230929152936654" style="zoom:50%;" />
<p>3、输出为低电平</p>
<img src="http://cos.pansis.site/202309291529293.png/abc123" alt="image-20230929152953183" style="zoom:50%;" />
<p>4、例题</p>
<figure data-type="image" tabindex="1"><img src="http://cos.pansis.site/202309291531202.png/abc123" alt="image-20230929153129092" loading="lazy"></figure>
<figure data-type="image" tabindex="2"><img src="http://cos.pansis.site/202309291531180.png/abc123" alt="image-20230929153150066" loading="lazy"></figure>
<h4 id="5-oc门应用">5、OC门应用</h4>
<p>1、线与</p>
<p>2、电平转换</p>
<img src="http://cos.pansis.site/202309291532870.png/abc123" alt="image-20230929153251814" style="zoom:33%;" />
<h2 id="五-三态输出门ts门">五、三态输出门（TS门）</h2>
<h4 id="1-结构">1、结构</h4>
<p><img src="http://cos.pansis.site/202309291533160.png/abc123" alt="image-20230929153336105" style="zoom:33%;" /><img src="http://cos.pansis.site/202309291533729.png/abc123" alt="image-20230929153355670" style="zoom:33%;" /></p>
<h4 id="2-原理">2、原理</h4>
<img src="http://cos.pansis.site/202309291535947.png/abc123" alt="image-20230929153507895" style="zoom: 50%;" />
<h4 id="3-三态门应用">3、三态门应用</h4>
<img src="http://cos.pansis.site/202309291535512.png/abc123" alt="image-20230929153552416" style="zoom: 50%;" />
<h4 id="4-例题">4、例题</h4>
<img src="http://cos.pansis.site/202310202021595.png/abc123" alt="image-20231020202110525" style="zoom:50%;" />
<img src="http://cos.pansis.site/202310202021067.png/abc123" alt="image-20231020202130995" style="zoom:50%;" />
<img src="http://cos.pansis.site/202310202021980.png/abc123" alt="image-20231020202156892" style="zoom:50%;" />
<img src="http://cos.pansis.site/202310202022786.png/abc123" alt="image-20231020202204728" style="zoom:50%;" /><br />
                                            
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